Reconstruction of the ovum, sectioned through the middle, viewed at right angles to the cut surface. The ovum (stippled) is almost completely implanted, although the endometrial epithelium is defective over a part of its abembryonic pole.
Fig. 9. Hertig and Rock, 1945.
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Keywords: abembryonic pole, endometrial epithelium
Source: The Virtual Human Embryo.